If you can't do this for 10 seconds, get your affairs in order...

Here’s one you are going to want to try right now … According to researchers in Brazil, if you are middle-aged and can’t stand on one leg for at least 10 seconds, you are twice as likely to die within 10 years. Yikes. In fact, the scientists say the simple balance test should be part of a routine physical for older adults. The study doesn't exactly explain why balance can predict the risk of death, but one theory suggests that an inability to maintain balance could indicate being frail and a higher risk of falling. Time to start doing yoga …